Paper-bag machine.



No. 634,081.. I Patented not. 3, 1899.

E. E. CLAUSSEN.

PAPER BAG MACHINE.

(Application led Apr. 27, 1899.4

(No Irdcdelf) 4 Sheets-Sheet 1 v l v l 1 l x. Y 1

l l el l l l No. 634,68I. Y Patented Oct. 3, |899. E. E. CLAUSSEN.

PAPER BAG MACHINE.'

(Appximim ma Apr. 27, 1899,. v (No Model.) 4 Sheets-Sheet 2,

nu. 634,0al. Patented o'qt. 3, i899.

E. E. CvLAussEN. PAPER BAG MACHINE.

(Application filed Apr. 27, 1899.3

' (No Modul.) Y 4 Sheets-$heet -3 me confus Pcrans co. rnux'aumo.. wnsmnarau. n. l;

No. 634,0-8I.

E. E. cLAussEN. y A

PAPERABAG MACHINE. Y (Applicatien ed Apr. 27, 1.899.

@No Nudel.) 4 Sheet's-Sheet 4,

rn: Manaus vertus co. PHaTo-Llmo.. wnsnmm'cm. D` c.

` oll zio/2,0192, anca/y concern Y UNITED' PATENT f mcs.

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I PAPER-enc` -ivlnci-imna.v

sPEcIFIcATIoN forming-1pm of Letter-s Patent No. 634,081, dated obtener e, 1899.

that'bottom, or the same is applicable to and adaptedfor a -converter to transform such 4bags made in accordance with Letters Patent granted to L. O. 4Crowell,February 20, 1872,

bearing the No. 123,811 -and known commer- .cially as .the fsquare'b-ag, the same being a bag having longitudinal folds and the bot- '.tompfold pasted transversely across the bag,-

and convert the same into thesquare-bottom paper bag of well-known form, the same beL ing-a bag having-longitudinal folds and the characteristic inwardly-projecting triangular folds and theflaps of the diamond fold .pasted longitudinally; bntI will, howevendescribe in this application the machine adapted to make the square-bottom bag from a tucked tube.

Prior to thisinventionsquare-bottom paper bags have been manufactured by a series of mani pulations, and the mechanisms anddevices for making the steps of the successive formations have Vbeen very intricate and eX- pensive, audit is therefore the object of this vinvention to provide a machine that issimple'and reliable and to complete the bag-bot# I .tom by devices and mechanisms in a single operation.

bag machine comprises in'part a suitable bed Appliasiisiednp'riizai899. sriinmieee?. on, man.)

drawing the tucked-paper tube into the inachine, a rotating striker revolving across the path of thetube, delivery-roll mechanism, Y bottom -forming mechanism embodying the stationaryr retainer andhaving means for efor framework, drawing-roll mechanisms for l fectivelyholding the upper ply of the tube thereto, a vibratory tucker-'plate mounted in suitable stationary bearings, vibratory carriers mounted in suitable bearings in the framework and also provided with means for effectively holding the lower ply of the tube thereto, and a lifting-plate controlled by the movement of the carrier, all substantially as hereinafter described, and more particularly set forth inthe claims. The mechanismsjust described are adapted to hold the four sides informing the bottom of the bag at any stage during the. folding operation ina parallelograin and three sides of the mechanism forming slubstantiaily vplanes i of that parailelogram. l j

In` the drawings accompanying and forming-a part of this specication, Figure l rep resents aV sectional plan view on line l l of Fig. 2 ofthe improved paper-bag machine. Fig. 2 is a sectional side elevation taken on line 2 2 of Figgl, showing a tucked-paper tube in the bite-of the drawing-rolls and tively, the same being drawn on an enlarged scale to more clearly indicate the various detail constructions. Figs. S, 9, l0 and ll are edge views at different successive formations of the bag-blank when the bottom-,folding mechanisms are inoperation thereon.

The reference letters and numerals herein used indicate, respectively, the samepartsin the different gures of the drawings.: The arrows indicate, without further description, the directionofmovement of parts.

IOO

In the accompanying drawings the positions of the various riustrumentalities are shown to f best advantage irrespective of the relative position these parts may have to their respec:

-tion of each section of the machine and afterward their combined mode of operation will be described. For more clearness the gears 26, 27, 28, 29, 30, 31, and 125 are broken away; but it is understood that the teeth are cnt around their full circumferences.

f In the variousviews the numeral 2O indicates in a general way the bed of the machine,

, consisting mainly of the side frames 21 and y22, in which the various shafts, mechanisms, yand devices are suitably mounted and sup-v ported, as will ybe more fully explained hercinafter..

Power is communicated to the machine by the pulley 23 in the direction of the arrow 24,

securely heldy on thev shaft 25, which is journaled. in the side frames 21 and 22, and that lshaft carries kon the inner side of the frame 21 the gear 2G, meshing intothey gear 27, which meshes again into the gears 28 and 29, engaging the gear 30, thereby forming a complete train of gears 28, 20, 30, and 3l, the gears 27 and 28 being fastened, respectively, on the shafts 32 and 33, the gear 29 revolving loosely on the stud 34, and the gears 30 and 31 being respectively rigidly secured to the shafts 35 vand 36. Rigidly secured to the shafts 32 and 33 are the delivery-rolls 37 and 38 and to the shafts 35 and 36 the drawingrolls 30 and 40, respectively.

Mounted on the shaft 36 and adjacent to the drawing-roll 40 is a lniter 41, meshing into the miter 42 and fastened on the striker-shaft 43, journaled in projecting hubs 22 and 22b of the frame 22, and that shaft carries, also fastened thereto, the striker-arm 44, which revolves across the path of the tube, carrying it against the serrated knife 45 and float 46, mounted, respectively, above the tube andinside thereof and severing the blank from the tucked-paper'tube at each rotation thereof. By the construction, organization, and arrangement of connections one tube length is j severed and delivered into the bottom-folding mechanism, and the subsequent opera'- tions for completing the bag will now be described.

As a convenient means for supporting the stationary retainer the frames 21 and 22 have inwardly-projecting lugs 21C, 21d, 22C, and 22d, respectively, upon which the retainer is rigidly held, consisting substantially of a plate extending across the machine from the frame 21 to the frame 22, having the folding edge 50, against which the portion of the bag-r blank is pressed which is to yform the pasted vtransverse cross-fold of the completed bag.

The distancefrom the folding edge 50a to the center of oscillation of the tucker-plate 64 is substantially equal to the depth of the tuck of the paper tube, the purpose of which willk be more fully explained hereinafter. As a convenient meansfor holding the upper ply of the tubeto the retainer bevel-edged side nippers 51 and 52 are provided, journaled for oscillation'in lugs X andY of the retainer and T and U of the side frames 21 and 22, respectively, in substantially such a position'that the line passing through the intersecting points of the bevel-edged side nippers and the edges of the tube form eventually the edge R of the completed bag-bottom. yThe side nippers 51 and 52 are rigidly held on shafts 53 and 54, provided at the end near the deliveryrolls with cam-arms 55 and 56, having prof jections engaging cam-grooves 57 and 58 of the cams 59 and 60 and whereby the vibratory motion isimparted to those nippers aty Icok sponds with the line passing through the inj tcrsecting points of thebevel-edged side nippers. and the edges .of the tube. The tuckerplate is provided with thefolding edge 64,

- the distance from the center of vibration of that tucker-plate to its folding vedge being substantially equal to the depth of the tuck of the paper tube, and therefore the folding edge 64a practically corresponds with the retainer edge 50 of the retainer .50 when the vtucker-plate is brought into the position as shown in Fig. 11. The trunnion 63 has fastened on the right-'hand side adjacent to the frame 21 the pinion 65, meshing into the sector 66, which is pivotally mounted on the stud 67 and carries the roller projection 68, engaging the cam-groove 69 of the cam 70, fastened on the shaft 25, and wherebya vibratory motion is imparted to the tuckerplate 64 of about one hundred'and eighty degrees.

D The bottom-forming mechanism, which operates below the normal feed of the paper-bag blank, consists of the carriers 74 and 75, jour" naled upon shafts 76 and 77, theouter free ends of which have fastened thereto the pinions 78 and 70, meshing int-o the sectors 80 and 8l, which are fastened to the shaft 82. The sector 81' has fastened thereto the camarm 83, having the roller projection 84 engaging the cam-groove 85, cut on the outer side of the cam 70, and whereby an oscilla- 'tory motion is imparted to the carriers 74 and the upwardlyextending bracket 75, respectively. The location of the shafts of the carriers in relation to the retainer and the oscillating tucker-plate is substantially such that the center ofoscillation of those carriers coincides with the folding edge 50'a of the retainer, and thejdistance from the center of oscillation'of the tnckerfplate to the center of oscillation of the carriers is equaly to the depth of Athe tuck of the paper tube, and they are in substantial parallelism with one another. The carriers 74 and 75 are also provided with hubsVand W, in which are pi voted side clips 86 and '87 in substantiallysuch position that the line4 passing through theintersecting points of the bevel-edged side clips and the edges'of the tube form eventually the loweredges Sof Vthe completed bag-bottom. The side clips 86 and 87 areadapted to vibrate to; ward and-away from each otherby mechananisms which will now be described.

Mounted upon the shaft is a cam 88, having a groove 89, which is engaged by the roller projection `90 of the arrnl, fastened on the rock-shaft 92 and having a bearing in outer free end of the shaft 92thesameis proy vided with an arln 93, having pivotally jointed a'connecting-rod 94, passing through an opening 21e and engaging the lever A95, p ivoted on the stud 96 on a projecting hub 21fof the outside of the frame`2l. On the upperend of the arm 9,5 is jointed theconnector 97,*passing through a central opening of the shaft 77 and being provided at its inner end. with the iianged head 98, between the flanges of which a projection 99 is adapted to'engage and forming a part of the lever '100, having a segmental pinion at its lower end which engages the pinion 101 on the stud 102, to which the 'side clip87'is securely fastened;

.The lower projecting arm of -the side clip 87 carries, pivotallyjointed, the connectingrod 103, which engages a stud on the side clip 86.A Any motion* that is imparted by the cam;

groove 89,of.the cam 88to the'roller projec tion controls the motion of the side clips`86 and 87.

Between the two carriers 74 and 75 is pivf oted the liftingplate105 onthe pivotlGG, Whichhas its bearingsfon the inner side of the carriers 74 and' 7 5, and it is held by a spring-tension by the spring l07,coiled around Vthe pivot 106, which has the tendencyto lift the plate against the folding edge 50 of the lretainer during the oscillation of those earf riers from the position as indicated in Fig'. 8 through the stagesl of the lformation of the bag-bottom, as shown in Figs. 9, l0, and 11. The lifting-plate 105 is held in a downward position, as shown in Fig. 7, in order that the bottom-forming end of the bag-blank may more readily enter the bottom-formingmechj anism by the engagement ofthe lifting-plate .105 with the stationary studs 108, depending fromV the retainer 50, as shown in Figs. '5, 6,

On thev spring 107 lto carrythe plate upward against the folding edge 50it of the retainer and clamping the projecting end of the lbag-blank between them.

The means for applying the paste to the bottom on the transverse paste-line and for communicating a rotary motion'to the pasting device are as follows: Fastened on the shaft 33 on the outside of the i'ramei22 and adjacentto the cam 139 is the sprocket-wheel 120, engaging the chain 121, which effectively controls the rotation of asimilar sprocket 122 on. the pasteisector shaft 123, journaled in the frame 22 and which carries on its innerside the pastefsegment 124. The shaft 123'has also securelyfastened thereon thegear 125, meshing into the pas ter-roll gear 126, securely fastened on the shaft 127,*journaled in the paste-box 128-and whichr also carries the paster-roll 129.

The paste-blade 130, Inounted on the arm 13 1 an'd held on the shaft 132, receives its Avibratory motion from the mechanism, as follows: On the shaft 132 is mounted on the outside of the frame L22 a segment 133, engaginga segment 134which is pivoted ou a stud 135 yand basa rearwardly-projectingarm 13 6, having a roller projection 137, engaging the cami groove 138 of the cam 139, and whereby an oscillatory motion is imparted to the pasteblade 130. The paste as it is delivered from theV paste in the box 128 on vthe roll 129is transferred upon thesegment 124 and when the same is opposite the pastel-blade in its upper position is delivered upon the edge of IOO that paste-blade and from there onto thebagblank when theblankis in about the positionl shown in Figs. 10 and 11, and upon the con.-

, tinuance of its 'oscillatory motion' delivers the completed bag-blank into 'the delivery-rolls 140 and 141, journaled on shafts 142 and 143, respectively, and receiving a rotary motion by thepulleys 144 145 and belt 140, held upo the shafts 140 and 25, respectively. The operation ofthe 'machine is as follows: The paper of proper width to lmake the de- IIO sired bag is taken from a roll and folded by any well-known mechanism (noty shown in this application) into a tucked tube and drawn into the rolls 39 and 40 under the serrated knife 45 and between the rolls `37 and 38 in such a manner that the float 4G is inside'of the tube, and as the striker-arm'44 revolves across the. path Vof the tube it forces thesaine against the -serrated edge of the knife 45 and the float 40 and se'vers the blank therefrom at each revolution. The rolls 37 38, 39,and 40 are so geared in relation to the revolution of the striker as to feed through a suitable length Aat each rotationthereof. The bottom-forming end of the tube is then guided into the bottoinsame enters belowthe vibratory tanker-plate l and the retainer 50, with its bevel-edged side nippers 51 and 52, and above the carriers 74 and 75, provided with the lifting-plate 105 and with the bevel-edged side clips SG and S7. The tube, as itarrives at about the position `of Fig. 1, having a certain portion of the tube tube to the oscillating carrier andv hold the tube for the subsequent folding. The tucker- .plate 64 and the carriers 74 and 75 are then caused to be simultaneously vibrated by their respective cams. The lifting plate being thereby released from the stud 10S engages the edge 50 of the retainer by means of the spring 107, thereby. transforming the bag through the stages, as shown at Figs. 8, 9, 10, and 11, unfolding the tube during the first half of the vibratory movement of the carriers and refolding the same into a bag during the last half ofthe movement of those carriers, and the edge of the J er-plate forming the transverse crease and the folding edges of the bevel-edged side clips and side nippers forming the characteristic inside triangular folds. lhe paste which is in the meantime being applied by the paste-blade 130 from the paste-sector 124 and the pasteroll 129 under the lip at the edge of the retainer and by the continued oscillatory motion of the blade 130 delivers the completed bag into the bite of the delivery-'rolls 140 and 141, and from thence maybe carried into a drier .to be dried and subsequently bound into packages ready for shipping and for commercial use.

It will be observed that after the side nippers 51 and 52, as well as the side clips'bG and S7, have been withdrawn from their respective cooperating mechanisms, such as the retainer-plate 50 and the carriers 74 and 75, the completed bag is resting only on'the tucked-under tucke-blade 64 and can be readily pushed into the bite of the deliveryrolls 140 and 141.

I-Iaving thus fully described this invention, what is claimed as new is as follows:

' 1. Inapaper-bagmachine,thecombination ofa stationary retainer; means adapted to hold the upper ply of the paper-bag blank to the lower surface of that retainer; the vibratory tucker plate adapted to fold the transverse crease across the bag-blank; the carriers provided with means for holding the lower ply of the tucked-paper blank to the carriers; and the lifting-plate, all combined and operating to unfold the tucked-paper tube duringthe first half of the stroke of the carriers and refold it into a paper-bag blank during the last half of the stroke of the same..

2. In a paper-bag machine, the combination of a stationarily-mounted retainer; bevelcdgedside nippers adapted to move toward' and away from each other; the vibratory tucker-plate mounted in the frames, the carriers provided with the lifting-plate and adapted to travel throughthe are of a circle of about one hundred and eighty degrees; side clips mounted to those carriers and provided with means foran oscillatory motion toward and away from each other and hold the lower ply of the tucked-paper tube to the carriers, all combined and operating to unfold a paper tube during the first half ofthe stroke of the carriers and refold it into a paper-bag blank during the last half of the stroke of the same. f

3. In a paper-bag machine, the combination of a stationarily-mounted retainer; beveledged side nippers adapt-ed to move toward and away from each other; the vibratory tucker-plate mounted in the frames and provided with the folding edge, the distance from the center of vibration to that folding edge being substantially equal to the depth of the tuck; the carriers adapted to travel through the are of a circle of about one hundred and eighty degrees; the lifting-plate mounted in the carriers, side clips mounted to those carriers and provided with means for au oscillatory motion toward and away from each other to respectively hold the lower ply ot' the tucked-paper tube to the carriers, and to release the same therefrom,/all combined and operating to `unfold a paper tube during the first half of the stroke of the carriers and refold it into a paper-bag blank during the last half of the stroke of the same.

4. Ina paper-bagmachine, the combination of a stationarilymounted retainer; beveledged side nippers adapted to move toward and away from each other at predetermined intervals, and operated by a cam; the vibratory tucker-plate mounted in the frames and provided with the folding edge, the distance from the center of vibration to that folding edge being substantially equal to the depth of the tuck; the carriers adapted to travel through the arc of a circle of about one hundred and eighty degrees; the lifting-plate mounted in the carriers, side clips mounted to those carriers and provided with means-.for an oscillatory motion toward and away from each other to respectively hold the lower ply of the tucked-paper tube to the carriers, and to release the same therefrom, all mounted and operating to unfold a paper tube during the first half of the stroke of the carriers and refold it into a paper-bag blank during the last half of the stroke of the same.

5. In a paper-bag machine, the combination of a stationarily-mounted retainer; beveledged side nippers adapted to move toward and away from each other at predetermined intervals and operated by a cam; the vibra- IOO IIO

IZO

tory tucker-plate mounted inthe frames and 634,081. it s edge being substantially equal to the depth ofthe tuck;'the-'carriers adapted to travel through the arc ot' a circle of about one hundred and eighty degrees; the lifting-plate mounted in the carriersfside clips mounted to those carriers and provided with means for an oscillatory motion toward and away from each other to respectively hold the lower ply of the tucked-paper tube to the carriers and to release the same therefrom at predetermined intervals and loperated by a cam; all mounted and operating to unfold a paper tube during the -tirst half of the stroke of v,the carriers and refold it into a paper-bag blank during the last halfl of the stroke of the same, substantially as described.

6. Inapaper-bag machine, the combination of a stationarilymounted retainer; beveledged side nippers adapted to move toward and away from each other atV predetermined intervals and operated by a cam; the vibratory tucker-plate mounted in the frames and provided with the folding edge, the distance from the center of vibration tothat folding edge being substantially equal to the depth of the tuck; means for operating that tuckerplate by a cam the carriersadapted to travel through the arc of a circle of about one hundred and eighty degrees; the lifting-plate mounted in .the carriers, side clips mounted to those carriers and provided with means for an oscillatory motion toward and away from each other to respectively hold the lower ply ot the tucked-paper tube to the carriers and to release the same therefrom at predetermined intervals and operated by a cam; all mounted and operating to unfold a paper tube during the first half of the stroke of the carriers and refold it intoa paper-bag blank during the last half of the stroke of the same, substantially as described.

7. Inapaper-bag machine, the combination of a stationarily mounted retainer; beveledged side nippers adapted to move toward and away from each other at predetermined intervals and opera ted by a cam; the vibrai tory tucker-plate mounted in the framesl and provided with the folding edge, the distance froml the center of vibration to that folding edge being substantially equal to the depth of the tuck; means for operating that tuckerplate by a cam; the carriers adapted to travel through the arc of a circle oi'v about one hundredand eighty degrees, and means for operating those carriers by a cani the liftingplate mounted in the carriers,side clips mounted to those carriers and provided with means tube during the first half of the stroke of thel carriers and refold it into a paper-bag blank during the last'half of the stroke of the same, substantially as described. h

S. In a paper-bag machine, the combination ofa' stationary retainer; .means adapted to hold the upper ply of a paper-,bag bla-nk to the lower surfaceof that'retainer; a vibratory tucker-plate mounted in the stationary frame in substantially such a position that the center of vibration ofthe tucker-plate co incides witlrthe predetermined corners of the bag-blank, and having a folding edge adapted to form a transverse fold across the blank;

the carriers, the lifting-plate, means adapted ripper ply of the tube to the lower surface of thatvretainer; avibratory tncker-plate having a folding edge, the distance from the center of -vibration of the tucker-plate toits folding edge being substantially equal to the distance from the center of Vibration of the flicker-plate to the folding edge of theI retainer, substantially. as described and set forth.

10. The combination of astationarily-mounted retainerhaving a folding'edge; means for holding the upper ply ofthe tube to the lower surface of the retainer; a vibratory tuckerplate having a folding edge, the distance from the center of vibration of the tucker-plate to its folding edge being substantially equal to the distance from the center of vibration of the trucker-plate tothe folding edge of the retainer, substantially as described; the carriers, the lifting-plate, means adapted to hold the lower ply of the tucked-paper tube to the carriers, all combined. and operating to unfold the tucked-paper tube du ring the first half of the stroke of the carriers and refold it into a paper-bag blank during the last half of tha stroke, substantially as described.

ll. In a paper-bag machine, the combination of a stationary retainer having a folding IOO edge; means for holding the upper ply of the tube to the lower surface of the retainer; a vibratory tuckerplate having a folding edge, the distance from the center of vibration of the tuckerplate to its folding edge b eing substantiaily equal to the distance from the center of vibration of the tricher-plate tothe folding edge of the retainer; carriers mounted in substantially such position that the center of oscillation of those carriers coincides with the folding edge of. the retainer; the lifting-plate mounted in the carriers, means to hold the lower ply of the tube to the carriers, all combined and operating to unfold the tucked-paper tube during the first half of the stroke of the carriers Vand refold.v it into a paper-bag blank during the last half of that stroke, substantially as described. A

( l r 634,081l

,12. In a paper-'bag machine, the combinal@ion of a stationary, retainer having a folding edge; means for holding the upper ply of the tube to the lower 'surface of the retainer; a vibratory sucker-plate having a folding ed ge, alle distance from the eenter of vibration of the l' ueker-platie to its folding edge being substantially equal to the diStance from the eenterof'vibration of the tueker-plate Lo lhe fold- ;o ing edge of the retainer; tlie two oppositelydisposed carriers mounted in stationary frames on eaeli side of Ibe tucked-paper tube, in substantially suoli position that the center oloseillation of those carriers coincides willi 

